Netgear CBR40 Orbi Tri-band WiFi Cable Modem Router instruction manual

Netgear CBR40 Orbi Tri-band WiFi Cable Modem Router


Modem Information DOCSIS 3.0 32×8 Dual Band WiFi Modem To achieve Gigablast or Ultimate Classic speeds, a DOCSIS 3.1 modem is required	Highest Service Level Ultimate 500

DOCSIS 3.0 32×8 Dual Band WiFi Modem

To achieve Gigablast or Ultimate Classic speeds, a DOCSIS 3.1 modem is required

Ultimate 500

If the Power LED is not solid blue, check your power adapter connections.

The Netgear CBR40 includes the following connection ports:

POWER – Connects the modem to the power adapter
RESET – Restores factory settings
ETHERNET – Provides internet access to a single device. Only one port is active at a time.
CABLE – Connects to coaxial cable

The lights indicate the current status of your cable modem. To troubleshoot any connection problems, use the table below.

Modem Light	Status	Problem
Power	Solid White	None. The modem is receiving power and is functioning normally.
	Off	The modem is not receiving power. Verify power supply connections and electrical outlet. Ensure the outlet is not connected to a switch.
	Solid Red	The modem is too warm and could overheat. Power off the modem, let it cool, and move it away from heat sources, such as a TV, DVD player, or speakers.
Internet	Solid Blue	None; the cable modem router is online.
	Blinking Blue	The modem is synchronizing with the cable provider’s Cable Modem Termination System (CMTS).
	Off	Cable modem is offline. Verify all cable connections and try resetting the modem.
Upstream	Solid Amber	One upstream channel is locked.
	Solid Blue	Two or more upstream channels are locked.
	Blinking Blue	The modem is scaning for an upstream channel.
	Off	No upstream channel is locked.
Downstream	Solid Amber	One downstream channel is locked.
	Solid Blue	Two or more downstream channels are locked.
	Blinking Blue	The modem is scanning for a downstream channel.
	Off	No downstream channel is locked.

For more detailed technical information on the CBR40, use the resources below from Netgear.

Published: August 10, 2021

Updated: February 11, 2023